Talvez deva tentar algumas variações de ortografia:
efficient coding » efficient routing (Expandir a busca), efficient cement (Expandir a busca)
power efficient » power efficiency (Expandir a busca), more efficient (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)
coder power » poder power (Expandir a busca), modern power (Expandir a busca), couter power (Expandir a busca)
in python » _ python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder power efficient coding ) OR ( in python python python programming ))~.